Technical characteristics of the patented systems Tecnorol® Classic:
 
- Patented mechanism with 3 compensation springs with a special section and design for a smooth and continuous movement. 
- Interior lubrication of every wearing piece with liquid silicone for a perfect gear.
- Mechanisms enhanced for blinds of larger dimensions (300cm width).
- Extensible top with spring for a simplified installation and compensation when there is a measurement error until 10mm. 
- Supports in hot-dip galvanised steel and white thermolacquer or in another color by option.
- Embellishment caps in white PVC, or other color by choice.
- Extruded aluminium tube of  great thickness and special design that allows large blinds. 

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